We simulate how the probability of failure of a subsidiary and the group changes after a capital buffer is imposed on the group as a whole and/or the subsidiary. The simulation takes into account the relative sizes of the parent and the subsidiary, the parent's share in the subsidiary, the...

A number of authors have used the concept of an optimum currency area (or OCA) index to assess the relative proximity of various pairs of economies to the ideal of an optimum currency area. Alas, a significant deficiency of this approach as used so far is that it provides no room for long-term...